A U.K. spy chief is warning that Britain and its allies risk losing a cyber conflict against adversaries like Russia unless cybersecurity is treated with greater urgency.

By Andrew Osborn and Lucy Papachristou MOSCOW, May 27 (Reuters) - Russia said on Wednesday it had warned Armenia it would suspend or terminate the supply of cheap oil, gas and rough diamonds to the South Caucasus country if Yerevan pressed ahead with its bid to join the European Union.

Major attacks on Kyiv, followed by warnings of more, come as Moscow is stalled on the battlefield and at the negotiating table.

Russia warned U.S. Secretary of State Marco Rubio of imminent strikes and urged Americans to evacuate Ukraine.

By Yuliia Dysa and Daniel Flynn KYIV, May 27 (Reuters) - President Volodymyr Zelenskiy urged U.S. President Donald Trump to help Ukraine with air defence systems and interceptors as Russia threatens new strikes,

Four years after the full-scale invasion of Ukraine, Russia is facing a spring of discontent. Rolling digital blackouts in Russian cities have touched a nerve with ordinary citizens and public pushback against Russian President Vladimir Putin is emerging.

Russia has passed a law allowing its central bank and other financial institutions to operate their own defence systems and arm staff to repel drone attacks, a document published by

Summary and Key Points: Russia’s State Duma passed legislation on May 27 authorizing Sberbank, the central bank, and other financial institutions to install electronic warfare systems and arm employees to shoot down Ukrainian drones threatening their facilities.